Inventor
Ruihong Zhang
Inventor
Davis, CA, US
Overview
11→
Patents
2002–2018
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y02Eprimary
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%
C12MApparatus for enzymology or microbiology11%
C02FTreatment of water, waste water, sewage, or sludge9%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management9%
C01BNon-metallic elements4%
C05FOrganic fertilisers not covered by subclasses c05b, c05c, e.g. fertilisers from waste or refuse4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
H01LSemiconductor devices4%
H05BElectric heating4%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation4%
PatentTitleYear
9,862,844'Homogeneous precursor formation method and device thereof'20189,738,799'Homogeneous precursor formation method and device thereof'20179,743,472'Electrical load driving apparatus'20179,192,003'Electrical load driving apparatus'20158,772,020'Fermentation system having strainer assembly'20147,556,737'Anaerobic phased solids digester for biogas production from organic solid wastes'20097,316,921'Organic waste material treatment system'20087,225,085'Precision gas flow meter'20077,045,063'Treatment of swine wastewater by biological and membrane separation technologies'20067,015,028'Process for treatment of organic waste materials'20066,342,378'Biogasification of solid waste with an anaerobic-phased solids-digester system'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2014Patents assigned to UNIV CALIFORNIA (5)· patent assignee history
2002–2014Based in Davis, CA, US· patent location history
2006–2008Patents assigned to ALTA ENVIRONMENTAL SERVICES IN (2)· patent assignee history
2015–2017Patents assigned to UNIV CITY HONG KONG (2)· patent assignee history
2015Patents assigned to ENERGY DOUBLE TREE LTD E (1)· patent assignee history
2015–2017Based in Kowloon, HK· patent location history
2017–2018Patents assigned to PURDUE RESEARCH FOUNDATION (2)· patent assignee history
2017–2018Based in West Lafayette, IN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV CALIFORNIA | 5 | 2002–2014 |
| ALTA ENVIRONMENTAL SERVICES IN | 2 | 2006–2008 |
| PURDUE RESEARCH FOUNDATION | 2 | 2017–2018 |
| UNIV CITY HONG KONG | 2 | 2015–2017 |
| ENERGY DOUBLE TREE LTD E | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Davis, California, US | 7 | 2002–2014 |
| West Lafayette, IN, US | 2 | 2017–2018 |
| Kowloon, HK | 2 | 2015–2017 |